Learn | Toilets | What is a Toilet Water Spot / Water Surface?

The surface of the still water in the toilet bowl, when filled between flushes, is often referred to as a toilet’s water spot or water surface. There are many factors that determine the size of a toilet’s water spot including but not limited to the toilet bowl geometry and the location of the toilet weir. Why is a toilet water spot important?  If a toilet is not engineered for the right size water spot it could create a situation where flushing does not remove all of the waste completely.

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